【正确答案】正确答案： My country begins to carry out the policy that prevents smoking in public buildings since January 1st, 2011. The main aim is to make every public room has no smoke by posting the sign of preventing smoking. There are 350 million people smoking recently, in which the men hold 75 percent and the women hold 25 percent. Because of these smokers, about 540 million non-smokers are influenced. More than 100 thousand people per year die because of the second-hand smoke.